The ecology of the polar bear (Ursus maritimus) along the western coast of the Hudson Bay.

Manylion Llyfryddiaeth
Prif Awduron:	Cross, Dale, Jonkel, Charles, Robertson, Richard, Smith, Pauline, Stirling, Ian
Awdur Corfforaethol:	Canadian Wildlife Service
Fformat:	Llyfr
Iaith:	English